ShredDB is an experimental .shred library, I removed the audio so it's pretty useless. You can find the source .psarc files here.

Song	Artist	Play	Shred	Length	Album	Year	Tuning	Uploader	Updated	Delete
About a Girl (Unplugged)	Nirvana			3:04	MTV Unplugged in New York	1993	Eb Standard	mute	1970-01-01
All Apologies (Unplugged)	Nirvana			4:26	MTV Unplugged in New York	1994	Eb Drop Db	mute	1970-01-01
Because The Night	10,000 Maniacs			3:38	MTV Unplugged	1993	E Standard	mute	1970-01-01
Brother (Unplugged)	Alice In Chains			5:30	MTV Unplugged	1996	Eb Standard	mute	1970-01-01
Come As You Are (Unplugged)	Nirvana			4:16	MTV Unplugged in New York	1994	Eb Standard	mute	1970-01-01
Dumb (Unplugged)	Nirvana			2:46	MTV Unplugged in New York	1993	Eb Standard	mute	1970-01-01
Feliz Cumpleaños	Panda			3:42	MTV Unplugged	2010	Custom Tuning	mute	1970-01-01
Heaven Beside You (Unplugged)	Alice In Chains			5:14	MTV Unplugged	1996	Eb Standard	mute	1970-01-01
Jesus Doesn't Me For A Sumbeam	Nirvana			4:40	MTV Unplugged in New York	1994	Eb Standard	mute	1970-01-01
Killer Is Me	Alice In Chains			5:26	MTV Unplugged	1996	Eb Standard	mute	1970-01-01
Lake of Fire (Unplugged)	Nirvana			3:01	MTV Unplugged in New York	1994	Eb Standard	mute	1970-01-01
Lass mich mie mehr Los	Sportfreunde Stiller			4:19	MTV Unplugged in New York CD2	2009	E Standard	mute	1970-01-01
Luna	Zoe			4:43	MTV Unplugged - Musica de Fondo	2011	E Standard	mute	1970-01-01
No Excuses (Unplugged)	Alice In Chains			5:05	MTV Unplugged	1996	Eb Standard	mute	1970-01-01
Nutshell (Unplugged)	Alice In Chains			4:18	MTV Unplugged	1996	Eb Standard	mute	1970-01-01